Stainless Steel ASTM A193 B8 Bolts
ASTM A193 B8 Socket Hexagon Head Screw Anchor Bolt, ASTM A193 B8 Hex Head Bolt, ASTM A193 B8 Hex Head Bolt, ASTM A193 B8 Countersunk Bolt Suppliers in India.
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Stainless Steel ASTM A193 B8 Bolts Specification
| Grade Specification | ASTM A193 B8 |
|---|---|
| SS ASTM A193 B8 Bolt size | M02 to M160, Custom Sizes |
| SS ASTM A193 B8 Bolts Length | 3 mm to 200 mm |
| SS ASTM A193 B8 Bolt | UNF, BSW, BSF, METRIC, UNC, or as required |
| Standard of SS ASTM A193 B8 Bolts | IS1364, ISO 4014, ISO 4017, DIN 933, DIN 931, BS 1083, BS 1768, ASME B18.2.1, JIS B1180, DIN 558, ISO 4018, DIN-EN14399-4, DIN 601, ISO 4016, CSN 21301, EU 24016, DIN 7968, DIN7990, ASME B18.2.1, B18.5 |
| Form of SS ASTM A193 B8 Bolts | Hex, Threading, Square, Round as per Gauge Etc. |
| Raw materials Source | JSPL, Mukund Steel, Tata Steel, Dhamm Steel, Usha Martin, etc. |
| Threads Configuration | ASME B1.1 2A/3A – 2B/3B Inch Unified Threads and B1.13M 6h-6G Metric Coarse Threads |
| Certification | Dual Certified As per ASTM & ASME Codes |
| Popular Types of Bolts | Hex Bolts, Flange Bolts, Hex Head Bolts, Lag Bolts, Square Bolts, Eye Bolts, U Bolts, T Bolts, Counter sunk Bolts etc. |
| SS ASTM A193 B8 Threads | Unless otherwise specified, the threads shall be rolled or cut and tapped horizontally or vertically |
| Test Certificate of Bolts | as per EN 10204 / 3.1 Manufacturer Test Certificate |
| Additional Certifications | PED 97/23/EC Certified, Merkblatt AD 2000 W2 Certified |
| Production process | M24-M100: hot forging, M2-M24: Cold Froging, for custom-made connecting element machining and CNC |
| Head drive of Bolts | Six-Lobe,Phillips,Phillips/Slot, Slotted etc |
| Packing of Bolts | IN BULK: canton, pallet, Small Boxs / carton / pallet, or customer request |
| Surface Coating | Ptfe Coated Bolts Phosphate Coating Teflon Coating Zinc Coating Hot Dipped Galvanizing Coating Cadmium Coating Xylon Coating |
| SS ASTM A193 B8 Bolts finishing | Coatings & Finishes : Self-Colour, Passivated, Bright Zinc Plated (BZP), Hot Dip Galvanised (HDG), Sherardized, some special one like DACROMET Geometry and Mechanically Applied coating ,Dacroment, nickel plated, anodizing, plated zinc-nickel Zinc (blue, black, yellow, white), black oxide, |
Stainless Steel ASTM A193 B8 Bolts Equivalent Grades
| Grade | Designation |
| B8 | A193 B8: Class 1 Stainless Steel, AISI 304, Carbide Solution Treated. |
Chemical Composition of SS ASTM A193 B8 Bolts
| ASTM | A193 Grade B8 | A193 Grade B8T |
| Percentage | % | % |
| C. | 0.08 max. | 0.08 max. |
| Mn. | 2.00 max. | 2.00 max. |
| Si. | 1.00 max. | 1.00 max. |
| P. | 0.045 max. | 0.045 max. |
| S. | 0.030 max. | 0.030 max. |
| Cr. | 18.00—20.00 | 17.00—9.00 |
| Ni. | 8.00—10.50 | 9.00—12.00 |
| Mo. | — | — |
| V. | — | — |
| Ti. | — | 5xC MIN |
| Brinell Hardness | 223 B.H.N. max. | 223 B.H.N. max. |
| Impact Value | Not applicable | Not applicable |
Mechanical Properties of SS ASTM A193 B8 Bolts
| Grade | Size | Tensile ksi, min | Yield, ksi, min | Elong, %, min | RA % min |
| B7 | Up to 2-1/2 | 125 | 105 | 16 | 50 |
| 2-5/8 – 4 | 115 | 95 | 16 | 50 | |
| 4-1/8 – 7 | 100 | 75 | 18 | 50 | |
| B8 Class 1 | All | 75 | 30 | 30 | 50 |
| B8M Class 1 | All | 75 | 30 | 30 | 50 |
| B8 Class 2 | Up to 3/4 | 125 | 100 | 12 | 35 |
| 7/8 – 1 | 115 | 80 | 15 | 35 | |
| 1-1/8 – 1-1/4 | 105 | 65 | 20 | 35 | |
| 1-3/8 – 1-1/2 | 100 | 50 | 28 | 45 | |
| B8M Class 2 | Up to 3/4 | 110 | 95 | 15 | 45 |
| 7/8 – 1 | 100 | 80 | 20 | 45 | |
| 1-1/8 – 1-1/4 | 95 | 65 | 25 | 45 | |
| 1-3/8 – 1-1/2 | 90 | 50 | 30 | 45 |
ASTM A193 B8 Bolts Temperature Range
| SPEC | GRADE | TEMPERATUREdegF(degC) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 650 | 700 | 750 | 800 | 850 | 900 | 950 | 1000 | 1050 | 1100 | ||
| 343 | 371 | 399 | 427 | 454 | 482 | 510 | 538 | 566 | 593 | ||
| ASTM A193 | B6 | 21.2 | 21.2 | 21.2 | 19.5 | 15.6 | 12 | ||||
| ASTM A193 | B7(*) | ||||||||||
| ASTM A193 | B7M | 25 | 25 | 23.6 | 21 | 17 | 12.5 | 8.5 | 4.5 | ||
| ASTM A193 | (*) | 20 | 20 | 20 | 18.5 | 16.2 | 12.5 | 8.5 | 4.5 | ||
| ASTM A193 | B8-CL1 | 11.2 | 11 | 10.8 | 10.5 | 10.3 | 10.1 | 9.9 | |||
| ASTM A193 | B8-CL2 | 25 | |||||||||
| ASTM A193 | (**) | 25 | 25 | 25 | 25 | 23.5 | 20.5 | 16 | 11 | 6.3 | 2.8 |
| ASTM A193 | B16 | ||||||||||
| ASTM A320 | L7 | 25 | 25 | ||||||||
| BS | B17B | 20 | 19.8 | 19.8 | 19.8 | 19.7 | 19.7 | 19.6 | 19.4 | 19.3 | 16.6 |
| ASTM 453 | 660 | 20.2 | 20.1 | 20 | 19.9 | 19.9 | 19.9 | 19.8 | 19.8 | ||
| (*) FOR BOLT DIAMETERS < 2 1/2" PLEASE NOTE THAT THE ABOVE VALUES ARE FOR REFERENCE PURPOSES ONLY. VALUES SHOULD BE EXTRACTED FROM ASME OR BS 5500. (**) FOR BOLT DIAMETERS < 3/4" |
|||||||||||
Types of Stainless Steel ASTM A193 B8 Bolts
Stainless Steel ASTM A193 B8 Hex Bolts
Stainless Steel ASTM A193 B8 Allen Cap Bolts
Stainless Steel ASTM A193 B8 Hollow Allen Bolts
Stainless Steel ASTM A193 B8 T Bolts
Stainless Steel ASTM A193 B8 Tap End Stud Bolts
Stainless Steel ASTM A193 B8 Double End Stud Bolt
Stainless Steel ASTM A193 B8 Fully Threaded Stud Bolts
Stainless Steel ASTM A193 B8 Anchor Bolts
Stainless Steel ASTM A193 B8 J Bolts
Stainless Steel ASTM A193 B8 U Bolts
Stainless Steel ASTM A193 B8 Square Bolts
Stainless Steel ASTM A193 B8 Carriage Bolts
Stainless Steel ASTM A193 B8 Long Eye Bolts
Stainless Steel ASTM A193 B8 Shoulder Bolt
SS ASTM A193 B8 Bolts Forms & Availability
| Products | Size | |
|---|---|---|
| Stainless Steel ASTM A193 B8 Heavy Hex Bolts | Stainless Steel ASTM A193 B8 Hollow Hex Bolts | M 02 to M 160, Custom Sizes |
| Stainless Steel ASTM A193 B8 Hollow Allen Bolts | Stainless Steel ASTM A193 B8 Machine Bolts | |
| Stainless Steel ASTM A193 B8 Socket Head Bolts | Stainless Steel ASTM A193 B8 Hex Flange Bolts | |
| Stainless Steel ASTM A193 B8 Eye Bolts | Stainless Steel ASTM A193 B8 Lag Bolts | |
| Stainless Steel ASTM A193 B8 J Bolts | Stainless Steel ASTM A193 B8 U Bolts | |
| Stainless Steel ASTM A193 B8 Shoulder Bolts | Stainless Steel ASTM A193 B8 Elevator Bolts | |
| Stainless Steel ASTM A193 B8 Hanger Bolts | Stainless Steel ASTM A193 B8 Allen Bolts | |
ANSI And/Or ASME Standards Bolts (Inch Series)
| Description | Standard | Measurement System |
|---|---|---|
| Square & Hex Head Bolts | ANSI/ASME B18.2.1 | Inch Series |
| Hex Head Bolts | ANSI/ASME B18.2.3.5M | Metric |
| Heavy Hex Bolts | ANSI/ASME B18.2.3.6M | Metric |
| Heavy Hex Structural Bolts | ANSI/ASME B18.2.3.7M | Metric |
| Square Head Bolts | ANSI/ASME B18.2.3.10M | Metric |
| Round Head Bolts | ANSI/ASME B18.5 | Inch Series |
| Round Head Short Square Neck Bolts | ANSI/ASME B18.5.2.1M | Metric |
| Round Head Square Neck Bolts | ANSI/ASME B18.5.2.2M | Metric |
| Round Head Square Neck Bolts With Large Head | ANSI/ASME B18.5.2.3M | Metric |
| Track Bolts | ANSI/ASME B18.10 | Inch Series |
| Forged Eye Bolts | ANSI/ASME B18.15 | Inch Series |
| Lifting Eye Bolts | ANSI/ASME B18.15M | Metric |
| Hex Head Bolts | DIN 931 | Metric |
| Heavy Hex Bolts | DIN 6914 | Metric |
| Countersunk Square Head Bolts With Short Neck | DIN 608 | Metric |
| Lifting Eye Bolts (Type A) | DIN 444A | Metric |
| Lifting Eye Bolts (Type B) | DIN 444B | Metric |
| Square Head Bolts With Collar | DIN 478 | Metric |
| Forged Lifting Eyes/Eye Bolts | DIN 580 | Metric |
| Carriage Bolts | DIN 603 | Metric |
| Flat Countersunk Nib Bolts | DIN 604 | Metric |
| Carriage Bolts | DIN 607 | Metric |
| U Bolts | DIN 3570 | Metric |
| Hex Flange Bolts | DIN 6921 | Metric |
| Plough Bolts with 2 Nibs | DIN 11014 | Metric |
| Hex Head Bolts with Shank | ISO 4014 | Metric |
| Hex Head Bolts with Nuts | ISO 4016 | Metric |
| Full Thread Hex Head Bolts | ISO 4017 | Metric |
| Hex Flange Bolts | ISO 4162 | Metric |
| Hex Flange Bolts | ISO 8100 | Metric |
| Hex Bolt With Flange | ISO 8102 | Metric |
| Hex Flange Bolts | ISO 15071 | Metric |
| Mushroom Head Square Neck Bolts | ISO 8677 | Metric |
| Fine Threaded Hex Head Bolts | ISO 8765 | Metric |
| Hex Head Bolts | IS 1363 Part 1 | Metric |
| Hex Head Bolts | IS 1363 Part 2 | Metric |
| Hex Head Bolts | IS 1364 Part 1 | Metric |
| Hex Head Bolts For Structural Joints | IS 6639 | Metric |
| Hex Head Transmission Tower Bolts | IS 12427 | Metric |
| Hexagon Flange Bolts | IS 15582 | Metric |
Property Class
| For Bolts & Screws | A2-70, A2-80, A4-70, A4-80, F593C, F593D, F593G, F593H |
| For Nuts | A2-70, A2-80, A4-70, A4-80, F594C, F594D, F594G, F594H, A2-035, A4-040 |
| For SHCS | F837B, F837C, F837E, F837 |
| For Threaded Rods | A2-70, A2-80, A4-70, A4-80, F593C, F593D, F593G, F593H, B8, B8 CL1 & CL2 |
SS ASTM A193 B8 Bolts Dimensions
| **All measurements in millimeters** | ||||||||
|---|---|---|---|---|---|---|---|---|
| NOMINAL SIZE (D) | BODY DIAMETER | HEAD THICKNEASTM A193 | ACROASTM A193 THE FLATS | ACROASTM A193 CORNERS | ||||
| D (MAX) | D (MIN) | H (MAX) | H (MIN) | F (MAX) | F (MIN) | C (MAX) | C (MIN) | |
| m10 | 10.00 | 9.78 | 6.63 | 6.17 | 17.00 | 15.73 | 18.48 | 17.77 |
| m12 | 12.00 | 11.73 | 7.76 | 4.24 | 19.00 | 17.73 | 20.78 | 20.03 |
| m14 | 14.00 | 13.73 | 9.09 | 8.51 | 22.00 | 20.67 | 24.25 | 23.35 |
| m16 | 16.00 | 15.73 | 10.32 | 9.68 | 24.00 | 23.67 | 27.71 | 26.75 |
| m20 | 20.00 | 19.67 | 12.88 | 12.12 | 30.00 | 29.16 | 34.64 | 32.95 |
| m24 | 24.00 | 23.67 | 15.44 | 14.56 | 36.00 | 35.00 | 41.57 | 39.55 |
| m30 | 30.00 | 29.67 | 19.48 | 17.92 | 46.00 | 45.00 | 53.12 | 50.85 |
| m36 | 36.00 | 35.61 | 23.38 | 21.63 | 55.00 | 53.80 | 63.51 | 60.79 |
| m42 | 42.00 | 41.38 | 26.97 | 25.03 | 65.00 | 62.90 | 75.06 | 71.71 |
| m48 | 48.00 | 47.38 | 31.07 | 28.93 | 75.00 | 72.60 | 86.60 | 82.76 |
| m56 | 56.00 | 55.26 | 36.2 | 33.80 | 85.00 | 82.20 | 98.15 | 93.71 |
| m64 | 64.00 | 63.26 | 41.32 | 38.68 | 95.00 | 91.80 | 109.70 | 104.65 |
| m72 | 72.00 | 71.26 | 46.45 | 43.55 | 105.00 | 101.40 | 121.24 | 115.60 |
| m80 | 80.00 | 79.26 | 51.58 | 48.42 | 115.00 | 111.00 | 132.72 | 126.54 |
| m90 | 90.00 | 89.13 | 57.74 | 54.26 | 130.00 | 125.50 | 150.11 | 143.07 |
| m100 | 90.00 | 99.13 | 63.9 | 60.10 | 145.00 | 140.00 | 167.43 | 159.60 |
SS ASTM A193 B8 Bolts Torque Chart
| Torque Specifications | ||||||
|---|---|---|---|---|---|---|
| Bolt Size Inches or # | Threads Per Inch | Standard Dry Torque in Inch-Pounds | ||||
| ASTM A193 B8 Stainless Steel | ||||||
| #2 | 56 | 2.5 | ||||
| 64 | 3.0 | |||||
| #3 | 48 | 3.9 | ||||
| 56 | 4.4 | |||||
| #4 | 40 | 5.2 | ||||
| 48 | 6.6 | |||||
| #5 | 40 | 7.7 | ||||
| 44 | 9.4 | |||||
| #6 | 32 | 9.6 | ||||
| 40 | 12.1 | |||||
| #8 | 32 | 19.8 | ||||
| 36 | 22.0 | |||||
| #10 | 24 | 22.8 | ||||
| 32 | 31.7 | |||||
| 1/4 | 20 | 75.2 | ||||
| 28 | 94.0 | |||||
| 5/16 | 18 | 132 | ||||
| 24 | 142 | |||||
| 3/8 | 16 | 236 | ||||
| 24 | 259 | |||||
| 7/16 | 14 | 376 | ||||
| 20 | 400 | |||||
| 1/2 | 13 | 517 | ||||
| 20 | 541 | |||||
| 9/16 | 12 | 682 | ||||
| 18 | 752 | |||||
| 5/8 | 11 | 1110 | ||||
| 18 | 1244 | |||||
| 3/4 | 10 | 1530 | ||||
| 16 | 1490 | |||||
| 7/8 | 9 | 2328 | ||||
| 14 | 2318 | |||||
| 1 | 8 | 3440 | ||||
| 14 | 3110 | |||||
| 1 1/8 | 7 | 413 | ||||
| 12 | 390 | |||||
| 1 1/4 | 7 | 523 | ||||
| 12 | 480 | |||||
| 1 1/2 | 6 | 888 | ||||
| 12 | 703 | |||||
Stainless Steel ASTM A193 B8 Bolts Sizes
| Stainless Steel ASTM A193 B8 Bolts size chart | Stainless Steel ASTM A193 B8 Bolts size guide | Stainless Steel ASTM A193 B8 Bolts dimensions |
|---|---|---|
| 3/8″-16 x 1″ Grade 5 Finish Stainless Steel ASTM A193 B8 Bolts | 1/2″-13 x 1-1/2″ Grade 5 Finish Stainless Steel ASTM A193 B8 Bolts | 1/4″-20 x 1″ Grade 5 Finish Stainless Steel ASTM A193 B8 Bolts |
| 3/8″-16 x 1-1/4″ Grade 5 Finish Stainless Steel ASTM A193 B8 Bolts | 3/8″-16 x 1-1/2″ Grade 5 Finish Stainless Steel ASTM A193 B8 Bolts | 1/4″-20 x 3/4″ Grade 5 Finish Stainless Steel ASTM A193 B8 Bolts |
| 1/2″-13 x 2″ Grade 8 Yellow Finish Stainless Steel ASTM A193 B8 Bolts | 1/2″-13 x 2″ Grade 5 Finish Stainless Steel ASTM A193 B8 Bolts | 1/2″-13 x 1-1/2″ Grade 8 Yellow Finish Stainless Steel ASTM A193 B8 Bolts |
| 5/8″-11 x 2″ Grade 8 Yellow Finish Stainless Steel ASTM A193 B8 Bolts | 1/4″-20 x 3/4″ Grade 18-8 Stainless Steel Stainless Steel ASTM A193 B8 Bolts | 5/16″-18 x 1″ Grade 5 Finish Stainless Steel ASTM A193 B8 Bolts |
| 3/8″-16 x 1″ Grade 8 Yellow Finish Stainless Steel ASTM A193 B8 Bolts | 3/8″-16 x 1″ Grade 18-8 Stainless Steel Stainless Steel ASTM A193 B8 Bolts | 3/8″-16 x 1-1/2″ Grade 8 Yellow Finish Stainless Steel ASTM A193 B8 Bolts |
| 1/4″-20 x 1″ Grade 18-8 Stainless Steel Stainless Steel ASTM A193 B8 Bolts | 5/8″-11 x 2″ Grade 5 Finish Stainless Steel ASTM A193 B8 Bolts | 5/8″-11 x 2-1/2″ Grade 8 Yellow Finish Stainless Steel ASTM A193 B8 Bolts |
| 3/8″-16 x 2″ Grade 5 Finish Stainless Steel ASTM A193 B8 Bolts | 3/8″-16 x 1-1/4″ Grade 8 Yellow Finish Stainless Steel ASTM A193 B8 Bolts |
ASTM A193 B8 Stainless Steel Bolts Weight Chart
| MM THREADS AS PER IS 1363/67 | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| APPROXIMATE WEIGHT IN KGS FOR 100 NOS | ||||||||||
| LENGTH | DIAMETER | |||||||||
| M 5 | M 6 | M 8 | M 10 | M 12 | M 14 | M 16 | M 18 | M 20 | M 22 | |
| 16 mm | 0.448 | 0.743 | 1.590 | 3.211 | ||||||
| 20 mm | 0.598 | 0.812 | 1.711 | 3.411 | 4.892 | |||||
| 25 mm | 0.660 | 0.897 | 1.871 | 3.660 | 5.252 | 8.170 | ||||
| 30 mm | 0.737 | 1.010 | 2.070 | 3.912 | 5.574 | 9.690 | 10.707 | 18.657 | ||
| 35 mm | 0.804 | 1.120 | 2.271 | 4.223 | 5.974 | 10.000 | 11.416 | 16.026 | 19.608 | |
| 40 mm | 0.881 | 1.230 | 2.470 | 4.533 | 6.410 | 10.288 | 12.107 | 16.667 | 20.747 | |
| 45 mm | 0.958 | 1.340 | 2.671 | 4.840 | 6.859 | 10.504 | 12.821 | 17.241 | 21.739 | |
| 50 mm | 1.030 | 1.450 | 2.870 | 5.155 | 7.299 | 11.261 | 13.624 | 17.857 | 22.727 | 28.409 |
| 55 mm | 1.560 | 3.071 | 5.464 | 7.740 | 11.628 | 14.409 | 18.868 | 23.810 | 30.120 | |
| 60 mm | 1.670 | 3.270 | 5.774 | 8.183 | 12.255 | 15.244 | 20.000 | 25.126 | 32.051 | |
| 65 mm | 1.781 | 3.472 | 6.083 | 8.621 | 12.626 | 16.026 | 21.008 | 26.455 | 34.014 | |
| 70 mm | 1.890 | 3.671 | 6.394 | 9.058 | 12.987 | 16.835 | 22.124 | 27.778 | 35.461 | |
| 75 mm | 2.000 | 3.873 | 6.702 | 9.506 | 13.228 | 17.606 | 23.256 | 29.070 | 39.063 | |
| 80 mm | 2.111 | 4.072 | 7.013 | 10.000 | 13.889 | 18.248 | 24.510 | 30.303 | 40.000 | |
| 90 mm | 4.472 | 7.634 | 10.917 | 14.925 | 19.841 | 26.042 | 33.113 | 41.667 | ||
| 100 mm | 4.873 | 8.251 | 11.820 | 16.340 | 21.459 | 27.778 | 35.714 | 46.296 | ||
| 110 mm | 8.881 | 12.723 | 17.730 | 23.041 | 31.250 | 38.168 | 47.170 | |||
| 120 mm | 9.506 | 13.624 | 18.797 | 24.631 | 32.895 | 40.984 | 50.000 | |||
| 130 mm | 10.101 | 14.535 | 20.000 | 26.316 | 34.722 | 43.478 | 52.632 | |||
| 140 mm | 10.707 | 15.432 | 20.833 | 27.933 | 35.461 | 46.296 | 55.556 | |||
| 150 mm | 11.312 | 16.340 | 22.222 | 29.412 | 37.594 | 48.544 | 58.824 | |||
| 160 mm | 11.905 | 17.241 | 24.272 | 31.056 | 40.984 | 50.505 | 61.728 | |||
| 170 mm | 12.500 | 18.116 | 32.680 | 53.191 | 64.935 | |||||
| 180 mm | 13.123 | 19.011 | 26.882 | 34.247 | 55.556 | 67.568 | ||||
| 190 mm | 13.736 | 19.920 | 35.971 | 58.140 | 70.423 | |||||
| 200 mm | 14.327 | 20.833 | 29.586 | 37.594 | 49.020 | 60.976 | 73.529 | |||
| 220 mm | 15.528 | 22.624 | 40.650 | 65.789 | 79.365 | |||||
| 240 mm | 16.722 | 24.510 | 43.860 | 71.429 | 84.746 | |||||
| 250 mm | 17.301 | 25.381 | 45.455 | 74.627 | 87.719 | |||||
| 260 mm | 17.921 | 26.316 | 47.170 | 76.923 | 90.909 | |||||
| 280 mm | 19.157 | 28.090 | 50.505 | 81.967 | 98.039 | |||||
| 300 mm | 20.325 | 29.940 | 53.763 | 87.719 | 104.167 | |||||
| 320 mm | 31.646 | 56.818 | 92.593 | |||||||
| 340 mm | 33.557 | 60.241 | 98.039 | |||||||
| 360 mm | 35.211 | 63.291 | 104.167 | |||||||
| 380 mm | 37.037 | 66.667 | 108.696 | |||||||
| 400 mm | 39.063 | 69.444 | 113.636 | |||||||
ASTM A193 B8 Stud Bolt Size Chart
| Class 150 Flanges ASME B8.5 (Stud bolt sizes) | Length of Stud Bolts | |||||||
|---|---|---|---|---|---|---|---|---|
| NPS | Outside Diameter of Flange | The diameter of Bolt Circle | The diameter of Bolt Holes | Number of Bolts | Diameter of Bolts | Raised Face 0.06 in |
Ring Joint | |
| 1/2 | 3 1/2 | 2 3/8 | 5/8 | 4 | 1/2 | 2 1/4 | – | |
| 3/4 | 3 7/8 | 2 3/4 | 5/8 | 4 | 1/2 | 2 1/2 | – | |
| 1 | 4 1/4 | 3 1/8 | 5/8 | 4 | 1/2 | 2 1/2 | 3 | |
| 1 1/4 | 4 5/8 | 3 1/2 | 5/8 | 4 | 1/2 | 2 3/4 | 3 1/4 | |
| 1 1/2 | 5 | 3 7/8 | 5/8 | 4 | 1/2 | 2 3/4 | 3 1/4 | |
| 2 | 6 | 4 3/4 | 3/4 | 4 | 5/8 | 3 1/4 | 3 3/4 | |
| 2 1/2 | 7 | 5 1/2 | 3/4 | 4 | 5/8 | 3 1/2 | 4 | |
| 3 | 7 1/2 | 6 | 3/4 | 4 | 5/8 | 3 1/2 | 4 | |
| 3 1/2 | 8 1/2 | 7 | 3/4 | 8 | 5/8 | 3 1/2 | 4 | |
| 4 | 9 | 7 1/2 | 3/4 | 8 | 5/8 | 3 1/2 | 4 | |
| 5 | 10 | 8 1/2 | 7/8 | 8 | 3/4 | 3 3/4 | 4 1/4 | |
| 6 | 11 | 9 1/2 | 7/8 | 8 | 3/4 | 4 | 4 1/2 | |
| 8 | 13 1/2 | 11 3/4 | 7/8 | 8 | 3/4 | 4 1/4 | 4 3/4 | |
| 10 | 16 | 14 3/4 | 1 | 12 | 7/8 | 4 1/2 | 5 | |
| 12 | 19 | 17 | 1 | 12 | 7/8 | 4 3/4 | 5 1/4 | |
| 14 | 21 | 18 3/4 | 1 1/8 | 12 | 1 | 5 1/4 | 5 3/4 | |
| 16 | 23 1/2 | 21 1/4 | 1 1/8 | 16 | 1 | 5 1/4 | 5 3/4 | |
| 18 | 25 | 22 3/4 | 1 1/4 | 16 | 1 1/8 | 5 3/4 | 6 1/4 | |
| 20 | 27 1/2 | 25 | 1 1/4 | 20 | 1 1/8 | 6 1/4 | 6 3/4 | |
| 24 | 32 | 29 1/2 | 1 1/4 | 20 | 1 1/4 | 6 3/4 | 7 1/4 | |
| Class 300 Flanges ASME B8.5 | Length of Stud Bolts | |||||||
| NPS | Outside Diameter of Flange | The diameter of Bolt Circle | The diameter of Bolt Holes | Number of Bolts | Diameter of Bolts | Raised Face 0.06 in |
Ring Joint | |
| 1/2 | 3 3/4 | 2 5/8 | 5/8 | 4 | 1/2 | 2 1/2 | 3 | |
| 3/4 | 4 5/8 | 3 1/4 | 3/4 | 4 | 5/8 | 3 | 3 1/2 | |
| 1 | 4 7/8 | 3 1/2 | 3/4 | 4 | 5/8 | 3 | 3 1/2 | |
| 1 1/4 | 5 1/4 | 3 7/8 | 3/4 | 4 | 5/8 | 3 1/4 | 3 3/4 | |
| 1 1/2 | 6 1/8 | 4 1/2 | 7/8 | 4 | 3/4 | 3 1/2 | 4 | |
| 2 | 6 1/2 | 5 | 3/4 | 8 | 5/8 | 3 1/2 | 4 | |
| 2 1/2 | 7 1/2 | 5 7/8 | 7/8 | 8 | 3/4 | 4 | 4 1/2 | |
| 3 | 8 1/4 | 6 5/8 | 7/8 | 8 | 3/4 | 4 1/4 | 4 3/4 | |
| 3 1/2 | 9 | 7 1/4 | 7/8 | 8 | 3/4 | 4 1/4 | 5 | |
| 4 | 10 | 7 7/8 | 7/8 | 8 | 3/4 | 4 1/2 | 5 | |
| 5 | 11 | 9 1/4 | 7/8 | 8 | 3/4 | 4 3/4 | 5 1/4 | |
| 6 | 12 1/2 | 10 5/8 | 7/8 | 12 | 3/4 | 4 3/4 | 5 1/2 | |
| 8 | 15 | 13 | 1 | 12 | 7/8 | 5 1/2 | 6 | |
| 10 | 17 1/2 | 15 1/4 | 1 1/8 | 16 | 1 | 6 1/4 | 6 3/4 | |
| 12 | 20 1/2 | 17 3/4 | 1 1/4 | 16 | 1 1/8 | 6 3/4 | 7 1/4 | |
| 14 | 23 | 20 1/4 | 1 1/4 | 20 | 1 1/8 | 7 | 7 1/2 | |
| 16 | 25 1/2 | 22 1/2 | 1 3/8 | 20 | 1 1/4 | 7 1/2 | 8 | |
| 18 | 28 | 24 3/4 | 1 3/8 | 24 | 1 1/4 | 7 3/4 | 8 1/4 | |
| 20 | 30 1/2 | 27 | 1 3/8 | 24 | 1 1/4 | 8 | 8 3/4 | |
| 24 | 36 | 32 | 1 5/8 | 24 | 1 1/2 | 9 | 10 | |
ASTM A193 B8 Stud Bolt Torque Chart
| Flange Size |
B8.5 Class 150 RF/ Ring Gaskets | B8.5 Class 150 FF/ Full Face Gaskets | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Torque / Round (ft-lbs) | Stud Bolts Tighten Sequence | Torque / Round (ft-lbs) | Stud Bolts Tighten Sequence | |||||||
| 1st | 2nd | Final | Dwg/No. | Bolt Size | 1st | 2nd | Final | Dwg*/No. | Bolt Size | |
| 1/2″ | 10 | 20 | 30 | 4-bolt | 1/2″ | 20 | 40 | 60 | 4-bolt | 1/2″ |
| 3/4″ | 13 | 27 | 40 | 4-bolt | 1/2″ | 20 | 40 | 60 | 4-bolt | 1/2″ |
| 1″ | 15 | 30 | 50 | 4-bolt | 1/2″ | 20 | 40 | 60 | 4-bolt | 1/2″ |
| 1-1/4″ | 20 | 40 | 60 | 4-bolt | 1/2″ | 20 | 40 | 60 | 4-bolt | 1/2″ |
| 1-1/2″ | 20 | 40 | 60 | 4-bolt | 1/2″ | 20 | 40 | 60 | 4-bolt | 1/2″ |
| 2″ | 40 | 80 | 120 | 4-bolt | 5/8″ | 40 | 80 | 120 | 4-bolt | 5/8″ |
| 2-1/2″ | 40 | 80 | 120 | 4-bolt | 5/8″ | 40 | 80 | 120 | 4-bolt | 5/8″ |
| 3″ | 40 | 80 | 120 | 4-bolt | 5/8″ | 40 | 80 | 120 | 4-bolt | 5/8″ |
| 3-1/2″ | 40 | 80 | 120 | 8-bolt | 5/8″ | 40 | 80 | 120 | 8-bolt | 5/8″ |
| 4″ | 40 | 80 | 120 | 8-bolt | 5/8″ | 40 | 80 | 120 | 8-bolt | 5/8″ |
| 5″ | 60 | 120 | 200 | 8-bolt | 3/4″ | 60 | 120 | 200 | 8-bolt | 3/4″ |
| 6″ | 60 | 120 | 200 | 8-bolt | 3/4″ | 60 | 120 | 200 | 8-bolt | 3/4″ |
| 8″ | 60 | 120 | 200 | 8-bolt | 3/4″ | 60 | 120 | 200 | 8-bolt | 3/4″ |
| 10″ | 95 | 190 | 320 | 12-bolt | 7/8″ | 95 | 190 | 320 | 12-bolt | 7/8″ |
| 12″ | 95 | 190 | 320 | 12-bolt | 7/8″ | 95 | 190 | 320 | 12-bolt | 7/8″ |
| 14″ | 147 | 294 | 490 | 12-bolt | 1″ | 147 | 294 | 490 | 12-bolt | 1″ |
| 16″ | 147 | 294 | 490 | 16-bolt | 1″ | 147 | 294 | 490 | 16-bolt | 1″ |
| 18″ | 213 | 426 | 710 | 16-bolt | 1-1/8″ | 213 | 426 | 710 | 16-bolt | 1-1/8″ |
| 20″ | 213 | 426 | 710 | 20-bolt | 1-1/8″ | 213 | 426 | 710 | 20-bolt | 1-1/8″ |
| 24″ | 300 | 600 | 1,000 | 20-bolt | 1-1/4″ | 300 | 600 | 1,000 | 20-bolt | 1-1/4″ |
ASTM A193 B8 Stud Bolts Dimension
| Diameter | Diameter in mm | Diameter in inch | Nut Sizes |
|---|---|---|---|
| M12 | 12 | 0.4724 | 19 |
| M10 | 10 | 0.3937 | 17 |
| M14 | 14 | 0.5512 | 22 |
| M18 | 18 | 0.7087 | 27 |
| M16 | 16 | 0.6299 | 24 |
| M20 | 20 | 0.7874 | 30 |
| M24 | 24 | 0.9449 | 36 |
| M22 | 22 | 0.8661 | 32 |
| M27 | 27 | 1.063 | 41 |
| M33 | 33 | 1.2992 | 50 |
| M30 | 30 | 1.1811 | 46 |
| M36 | 36 | 1.4173 | 55 |
| M42 | 42 | 1.6535 | 65 |
| M39 | 39 | 1.5354 | 60 |
| M45 | 45 | 1.7717 | 70 |
| M52 | 52 | 2.0472 | 80 |
| M48 | 48 | 1.8898 | 75 |
| M56 | 56 | 2.2047 | 85 |
| M64 | 64 | 2.5197 | 95 |
| M60 | 60 | 2.3622 | 90 |
| M68 | 68 | 2.6772 | 100 |
| M76 | 76 | 2.9921 | 110 |
| M72 | 72 | 2.8346 | 105 |
| M80 | 80 | 3.1496 | 115 |
| M90 | 90 | 3.5433 | 130 |
| M85 | 85 | 3.3464 | 120 |
| M100 | 100 | 3.937 | 145 |
| M160 | 160 | 6.2992 | 230 |
| M125 | 125 | 4.9212 | 180 |
| M110 | 110 | 4.3307 | 155 |
| M140 | 140 | 5.5118 | 200 |
Other Types of SS ASTM A193 B8 Bolts
| Stainless Steel ASTM A193 B8 Hex Cap Screw | ASTM A193 B8 Shoulder Bolt |
| ASTM A193 B8 Hanger Bolt | Stainless Steel 304L Socket Cap Screw |
| SS ASTM A193 B8 Anchor Bolt | ASTM A193 B8 Machine Bolt |
| ASTM A193 B8 Countersunk Slotted Screw | SS ASTM A193 B8Stainless Steel J Bolt |
| Stainless Steel ASTM A193 B8 Draw Bolt | ASTM A193 B8 DIN 933 Bolts |
| ASTM A193 B8 Hanger Bolt | Stainless Steel ASTM A193 B8 T Bolt |
| SS ASTM A193 B8 Steel Counter sunk Bolt | ASTM A193 B8 Hex Bolt |
| ASTM A193 B8 Eye Bolt | SS ASTM A193 B8 SS T Bolt |
| ASTM A193 B8 Stainless Steel Lag Bolt | ASTM A193 B8 Step Bolt |
| ASTM A193 B8 Allen Bolts | Stainless Steel ASTM A193 B8 Anchor Bolts |